Generates compressed documentation indexes from local directories or URLs and deploys them as .claude/rules/ files for persistent AI agent context. This skill should be used when the user asks to "create a documentation index", "generate docs index", "index documentation", "add docs to context", "create agents.md style index", "compress documentation for AI", "download and index docs", "make docs available to Claude", or wants to make external documentation available as compressed context for AI coding agents.